A generalized complementary principle with physical constraints for land-surface evaporation

The idea of complementary evaporative fluxes, first advanced by Bouchet (1963), is reformulated as a general polynomial, satisfying boundary conditions based on strictly physical considerations. Experimental evidence supports the validity of the imposed constraints. Earlier complementary relationshi...

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Bibliographic Details
Published in:Water resources research 2015-10, Vol.51 (10), p.8087-8093
Main Author: Brutsaert, Wilfried
Format: Article
Language:English
Subjects:
Boundary conditions
Evaporation
Fluxes
land-surface evaporation
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Summary:The idea of complementary evaporative fluxes, first advanced by Bouchet (1963), is reformulated as a general polynomial, satisfying boundary conditions based on strictly physical considerations. Experimental evidence supports the validity of the imposed constraints. Earlier complementary relationships are shown to be special cases which satisfy only one of the necessary conditions. The new formulation provides a more rigorous base for the complementary principle. Key Points: The complementary principle is reformulated as a general polynomial with physical constraints Earlier formulations are special cases of the present proposal The proposed formulation performs more realistically under very arid conditions
ISSN:0043-1397
1944-7973
DOI:10.1002/2015WR017720